package com.xl.cloud.controller;

import cn.hutool.core.date.DateUtil;
import com.xl.cloud.apis.PayFeignApi;
import com.xl.cloud.entities.PayDTO;
import com.xl.cloud.resp.ResultData;
import com.xl.cloud.resp.ReturnCodeEnum;
import jakarta.annotation.Resource;
import org.springframework.beans.BeanUtils;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

/**
 * @Author XiangLiang
 * @Since 2024/9/12 8:36
 * @Description: OrderController类
 */
@RestController
public class OrderController {
    // 先写死，硬编码
    // public static final String PaymentSrv_URL = "http://localhost:8001";
    public static final String PaymentSrv_URL = "http://cloud-payment-service"; // 服务注册中心上的微服务名称

    @Resource
    private RestTemplate restTemplate;

    @Resource
    private DiscoveryClient discoveryClient;

    @Resource
    private PayFeignApi payFeignApi;

    /**
     * 一般情况下，通过浏览器的地址栏输入url，发送的只能是get请求
     * 我们底层调用的是post方法，模拟消费者发送get请求，客户端消费者
     * 参数可以不添加@RequestBody
     *
     * @param payDTO 支付DTO对象
     */
    @GetMapping("/consumer/pay/add")
    public ResultData addOrder(PayDTO payDTO) {
        // return restTemplate.postForObject(PaymentSrv_URL + "/pay/add", payDTO, ResultData.class);
        System.out.println("第一步：模拟本地addOrder新增订单成功(省略sql操作)，第二步：再开启addPay支付微服务远程调用");

        return payFeignApi.addPay(payDTO);
    }

    // 删除+修改操作作为家庭作业，O(∩_∩)O。。。。。。。
    @GetMapping("/consumer/pay/get/{id}")
    public ResultData getPayInfo(@PathVariable("id") Integer id) {
        // return restTemplate.getForObject(PaymentSrv_URL + "/pay/get/" + id, ResultData.class, id);
        System.out.println("-------支付微服务远程调用，按照id查询订单支付流水信息");

        ResultData resultData;
        try {
            System.out.println("调用开始：" + DateUtil.now());
            resultData = payFeignApi.getById(id);
        } catch (Exception e) {
            // throw new RuntimeException(e);
            System.out.println("调用结束：" + DateUtil.now());
            return ResultData.fail(ReturnCodeEnum.RC500.getCode(), e.getMessage());
        }
        return resultData;
    }

    @GetMapping(value = "/consumer/pay/get/info")
    private String getInfoByConsul() {
        // return restTemplate.getForObject(PaymentSrv_URL + "/pay/get/info", String.class);
        return payFeignApi.mylb();
    }

    @GetMapping("/consumer/discovery")
    public String discovery() {
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            System.out.println(element);
        }

        System.out.println("===================================");

        List<ServiceInstance> instances = discoveryClient.getInstances("cloud-payment-service");
        for (ServiceInstance element : instances) {
            System.out.println(element.getServiceId() + "\t" + element.getHost() + "\t" + element.getPort() + "\t" + element.getUri());
        }

        return instances.get(0).getServiceId() + ":" + instances.get(0).getPort();
    }

}
